USD499472SExpiredUtility
Electric heater
Est. expiryOct 29, 2023(expired)· nominal 20-yr term from priority
Inventors:Chan Ching
65
PatentIndex Score
13
Cited by
7
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for electric heater, as shown and described.
Join the waitlist — get patent alerts
Track USD499472S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.